diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/_compute_management_client.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/_compute_management_client.py
index 8c511c8e9d8f..d7b57295c524 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/_compute_management_client.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/_compute_management_client.py
@@ -56,6 +56,8 @@ class ComputeManagementClient(MultiApiClientMixin, SDKClient):
             'dedicated_hosts': '2019-03-01',
             'disks': '2018-09-30',
             'galleries': '2019-03-01',
+            'gallery_application_versions': '2019-03-01',
+            'gallery_applications': '2019-03-01',
             'gallery_image_versions': '2019-03-01',
             'gallery_images': '2019-03-01',
             'images': '2019-03-01',
@@ -250,6 +252,32 @@ def galleries(self):
             raise NotImplementedError("APIVersion {} is not available".format(api_version))
         return OperationClass(self._client, self.config, Serializer(self._models_dict(api_version)), Deserializer(self._models_dict(api_version)))
 
+    @property
+    def gallery_application_versions(self):
+        """Instance depends on the API version:
+
+           * 2019-03-01: :class:`GalleryApplicationVersionsOperations<azure.mgmt.compute.v2019_03_01.operations.GalleryApplicationVersionsOperations>`
+        """
+        api_version = self._get_api_version('gallery_application_versions')
+        if api_version == '2019-03-01':
+            from .v2019_03_01.operations import GalleryApplicationVersionsOperations as OperationClass
+        else:
+            raise NotImplementedError("APIVersion {} is not available".format(api_version))
+        return OperationClass(self._client, self.config, Serializer(self._models_dict(api_version)), Deserializer(self._models_dict(api_version)))
+
+    @property
+    def gallery_applications(self):
+        """Instance depends on the API version:
+
+           * 2019-03-01: :class:`GalleryApplicationsOperations<azure.mgmt.compute.v2019_03_01.operations.GalleryApplicationsOperations>`
+        """
+        api_version = self._get_api_version('gallery_applications')
+        if api_version == '2019-03-01':
+            from .v2019_03_01.operations import GalleryApplicationsOperations as OperationClass
+        else:
+            raise NotImplementedError("APIVersion {} is not available".format(api_version))
+        return OperationClass(self._client, self.config, Serializer(self._models_dict(api_version)), Deserializer(self._models_dict(api_version)))
+
     @property
     def gallery_image_versions(self):
         """Instance depends on the API version:
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/_compute_management_client.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/_compute_management_client.py
index 4475b04fd8b7..ebbe6a2aeeab 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/_compute_management_client.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/_compute_management_client.py
@@ -34,6 +34,8 @@
 from .operations import GalleriesOperations
 from .operations import GalleryImagesOperations
 from .operations import GalleryImageVersionsOperations
+from .operations import GalleryApplicationsOperations
+from .operations import GalleryApplicationVersionsOperations
 from . import models
 
 
@@ -85,6 +87,10 @@ class ComputeManagementClient(SDKClient):
     :vartype gallery_images: azure.mgmt.compute.v2019_03_01.operations.GalleryImagesOperations
     :ivar gallery_image_versions: GalleryImageVersions operations
     :vartype gallery_image_versions: azure.mgmt.compute.v2019_03_01.operations.GalleryImageVersionsOperations
+    :ivar gallery_applications: GalleryApplications operations
+    :vartype gallery_applications: azure.mgmt.compute.v2019_03_01.operations.GalleryApplicationsOperations
+    :ivar gallery_application_versions: GalleryApplicationVersions operations
+    :vartype gallery_application_versions: azure.mgmt.compute.v2019_03_01.operations.GalleryApplicationVersionsOperations
 
     :param credentials: Credentials needed for the client to connect to Azure.
     :type credentials: :mod:`A msrestazure Credentials
@@ -149,3 +155,7 @@ def __init__(
             self._client, self.config, self._serialize, self._deserialize)
         self.gallery_image_versions = GalleryImageVersionsOperations(
             self._client, self.config, self._serialize, self._deserialize)
+        self.gallery_applications = GalleryApplicationsOperations(
+            self._client, self.config, self._serialize, self._deserialize)
+        self.gallery_application_versions = GalleryApplicationVersionsOperations(
+            self._client, self.config, self._serialize, self._deserialize)
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/__init__.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/__init__.py
index 0bce11e698dd..d055c2c8e54a 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/__init__.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/__init__.py
@@ -38,6 +38,9 @@
     from ._models_py3 import DiskEncryptionSettings
     from ._models_py3 import DiskInstanceView
     from ._models_py3 import Gallery
+    from ._models_py3 import GalleryApplication
+    from ._models_py3 import GalleryApplicationVersion
+    from ._models_py3 import GalleryApplicationVersionPublishingProfile
     from ._models_py3 import GalleryArtifactPublishingProfileBase
     from ._models_py3 import GalleryArtifactSource
     from ._models_py3 import GalleryDataDiskImage
@@ -110,6 +113,7 @@
     from ._models_py3 import UpgradePolicy
     from ._models_py3 import Usage
     from ._models_py3 import UsageName
+    from ._models_py3 import UserArtifactSource
     from ._models_py3 import VaultCertificate
     from ._models_py3 import VaultSecretGroup
     from ._models_py3 import VirtualHardDisk
@@ -206,6 +210,9 @@
     from ._models import DiskEncryptionSettings
     from ._models import DiskInstanceView
     from ._models import Gallery
+    from ._models import GalleryApplication
+    from ._models import GalleryApplicationVersion
+    from ._models import GalleryApplicationVersionPublishingProfile
     from ._models import GalleryArtifactPublishingProfileBase
     from ._models import GalleryArtifactSource
     from ._models import GalleryDataDiskImage
@@ -278,6 +285,7 @@
     from ._models import UpgradePolicy
     from ._models import Usage
     from ._models import UsageName
+    from ._models import UserArtifactSource
     from ._models import VaultCertificate
     from ._models import VaultSecretGroup
     from ._models import VirtualHardDisk
@@ -349,6 +357,8 @@
 from ._paged_models import ComputeOperationValuePaged
 from ._paged_models import DedicatedHostGroupPaged
 from ._paged_models import DedicatedHostPaged
+from ._paged_models import GalleryApplicationPaged
+from ._paged_models import GalleryApplicationVersionPaged
 from ._paged_models import GalleryImagePaged
 from ._paged_models import GalleryImageVersionPaged
 from ._paged_models import GalleryPaged
@@ -393,9 +403,9 @@
     RollingUpgradeStatusCode,
     RollingUpgradeActionType,
     IntervalInMins,
-    StorageAccountType,
     AggregatedReplicationState,
     ReplicationState,
+    StorageAccountType,
     HostCaching,
     InstanceViewTypes,
     ReplicationStatusTypes,
@@ -430,6 +440,9 @@
     'DiskEncryptionSettings',
     'DiskInstanceView',
     'Gallery',
+    'GalleryApplication',
+    'GalleryApplicationVersion',
+    'GalleryApplicationVersionPublishingProfile',
     'GalleryArtifactPublishingProfileBase',
     'GalleryArtifactSource',
     'GalleryDataDiskImage',
@@ -502,6 +515,7 @@
     'UpgradePolicy',
     'Usage',
     'UsageName',
+    'UserArtifactSource',
     'VaultCertificate',
     'VaultSecretGroup',
     'VirtualHardDisk',
@@ -587,6 +601,8 @@
     'GalleryPaged',
     'GalleryImagePaged',
     'GalleryImageVersionPaged',
+    'GalleryApplicationPaged',
+    'GalleryApplicationVersionPaged',
     'HyperVGenerationTypes',
     'StatusLevelTypes',
     'AvailabilitySetSkuTypes',
@@ -616,9 +632,9 @@
     'RollingUpgradeStatusCode',
     'RollingUpgradeActionType',
     'IntervalInMins',
-    'StorageAccountType',
     'AggregatedReplicationState',
     'ReplicationState',
+    'StorageAccountType',
     'HostCaching',
     'InstanceViewTypes',
     'ReplicationStatusTypes',
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_compute_management_client_enums.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_compute_management_client_enums.py
index 5f392df31f9c..37b80e93be0f 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_compute_management_client_enums.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_compute_management_client_enums.py
@@ -365,12 +365,6 @@ class IntervalInMins(str, Enum):
     sixty_mins = "SixtyMins"
 
 
-class StorageAccountType(str, Enum):
-
-    standard_lrs = "Standard_LRS"
-    standard_zrs = "Standard_ZRS"
-
-
 class AggregatedReplicationState(str, Enum):
 
     unknown = "Unknown"
@@ -387,6 +381,12 @@ class ReplicationState(str, Enum):
     failed = "Failed"
 
 
+class StorageAccountType(str, Enum):
+
+    standard_lrs = "Standard_LRS"
+    standard_zrs = "Standard_ZRS"
+
+
 class HostCaching(str, Enum):
 
     none = "None"
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models.py
index 6241e93d03fc..b0e0d1665230 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models.py
@@ -1178,32 +1178,256 @@ def __init__(self, **kwargs):
         self.provisioning_state = None
 
 
+class GalleryApplication(Resource):
+    """Specifies information about the gallery Application Definition that you
+    want to create or update.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    All required parameters must be populated in order to send to Azure.
+
+    :ivar id: Resource Id
+    :vartype id: str
+    :ivar name: Resource name
+    :vartype name: str
+    :ivar type: Resource type
+    :vartype type: str
+    :param location: Required. Resource location
+    :type location: str
+    :param tags: Resource tags
+    :type tags: dict[str, str]
+    :param description: The description of this gallery Application Definition
+     resource. This property is updatable.
+    :type description: str
+    :param eula: The Eula agreement for the gallery Application Definition.
+    :type eula: str
+    :param privacy_statement_uri: The privacy statement uri.
+    :type privacy_statement_uri: str
+    :param release_note_uri: The release note uri.
+    :type release_note_uri: str
+    :param end_of_life_date: The end of life date of the gallery Application
+     Definition. This property can be used for decommissioning purposes. This
+     property is updatable.
+    :type end_of_life_date: datetime
+    :param supported_os_type: Required. This property allows you to specify
+     the supported type of the OS that application is built for. <br><br>
+     Possible values are: <br><br> **Windows** <br><br> **Linux**. Possible
+     values include: 'Windows', 'Linux'
+    :type supported_os_type: str or
+     ~azure.mgmt.compute.v2019_03_01.models.OperatingSystemTypes
+    """
+
+    _validation = {
+        'id': {'readonly': True},
+        'name': {'readonly': True},
+        'type': {'readonly': True},
+        'location': {'required': True},
+        'supported_os_type': {'required': True},
+    }
+
+    _attribute_map = {
+        'id': {'key': 'id', 'type': 'str'},
+        'name': {'key': 'name', 'type': 'str'},
+        'type': {'key': 'type', 'type': 'str'},
+        'location': {'key': 'location', 'type': 'str'},
+        'tags': {'key': 'tags', 'type': '{str}'},
+        'description': {'key': 'properties.description', 'type': 'str'},
+        'eula': {'key': 'properties.eula', 'type': 'str'},
+        'privacy_statement_uri': {'key': 'properties.privacyStatementUri', 'type': 'str'},
+        'release_note_uri': {'key': 'properties.releaseNoteUri', 'type': 'str'},
+        'end_of_life_date': {'key': 'properties.endOfLifeDate', 'type': 'iso-8601'},
+        'supported_os_type': {'key': 'properties.supportedOSType', 'type': 'OperatingSystemTypes'},
+    }
+
+    def __init__(self, **kwargs):
+        super(GalleryApplication, self).__init__(**kwargs)
+        self.description = kwargs.get('description', None)
+        self.eula = kwargs.get('eula', None)
+        self.privacy_statement_uri = kwargs.get('privacy_statement_uri', None)
+        self.release_note_uri = kwargs.get('release_note_uri', None)
+        self.end_of_life_date = kwargs.get('end_of_life_date', None)
+        self.supported_os_type = kwargs.get('supported_os_type', None)
+
+
+class GalleryApplicationVersion(Resource):
+    """Specifies information about the gallery Application Version that you want
+    to create or update.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    All required parameters must be populated in order to send to Azure.
+
+    :ivar id: Resource Id
+    :vartype id: str
+    :ivar name: Resource name
+    :vartype name: str
+    :ivar type: Resource type
+    :vartype type: str
+    :param location: Required. Resource location
+    :type location: str
+    :param tags: Resource tags
+    :type tags: dict[str, str]
+    :param publishing_profile: Required.
+    :type publishing_profile:
+     ~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersionPublishingProfile
+    :ivar provisioning_state: The current state of the gallery Application
+     Version. The provisioning state, which only appears in the response.
+     Possible values include: 'Creating', 'Updating', 'Failed', 'Succeeded',
+     'Deleting', 'Migrating'
+    :vartype provisioning_state: str or
+     ~azure.mgmt.compute.v2019_03_01.models.enum
+    :ivar replication_status:
+    :vartype replication_status:
+     ~azure.mgmt.compute.v2019_03_01.models.ReplicationStatus
+    """
+
+    _validation = {
+        'id': {'readonly': True},
+        'name': {'readonly': True},
+        'type': {'readonly': True},
+        'location': {'required': True},
+        'publishing_profile': {'required': True},
+        'provisioning_state': {'readonly': True},
+        'replication_status': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'id': {'key': 'id', 'type': 'str'},
+        'name': {'key': 'name', 'type': 'str'},
+        'type': {'key': 'type', 'type': 'str'},
+        'location': {'key': 'location', 'type': 'str'},
+        'tags': {'key': 'tags', 'type': '{str}'},
+        'publishing_profile': {'key': 'properties.publishingProfile', 'type': 'GalleryApplicationVersionPublishingProfile'},
+        'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'replication_status': {'key': 'properties.replicationStatus', 'type': 'ReplicationStatus'},
+    }
+
+    def __init__(self, **kwargs):
+        super(GalleryApplicationVersion, self).__init__(**kwargs)
+        self.publishing_profile = kwargs.get('publishing_profile', None)
+        self.provisioning_state = None
+        self.replication_status = None
+
+
 class GalleryArtifactPublishingProfileBase(Model):
     """Describes the basic gallery artifact publishing profile.
 
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    :param target_regions: The target regions where the Image Version is going
+     to be replicated to. This property is updatable.
+    :type target_regions:
+     list[~azure.mgmt.compute.v2019_03_01.models.TargetRegion]
+    :param replica_count: The number of replicas of the Image Version to be
+     created per region. This property would take effect for a region when
+     regionalReplicaCount is not specified. This property is updatable.
+    :type replica_count: int
+    :param exclude_from_latest: If set to true, Virtual Machines deployed from
+     the latest version of the Image Definition won't use this Image Version.
+    :type exclude_from_latest: bool
+    :ivar published_date: The timestamp for when the gallery Image Version is
+     published.
+    :vartype published_date: datetime
+    :param end_of_life_date: The end of life date of the gallery Image
+     Version. This property can be used for decommissioning purposes. This
+     property is updatable.
+    :type end_of_life_date: datetime
+    :param storage_account_type: Specifies the storage account type to be used
+     to store the image. This property is not updatable. Possible values
+     include: 'Standard_LRS', 'Standard_ZRS'
+    :type storage_account_type: str or
+     ~azure.mgmt.compute.v2019_03_01.models.StorageAccountType
+    """
+
+    _validation = {
+        'published_date': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'target_regions': {'key': 'targetRegions', 'type': '[TargetRegion]'},
+        'replica_count': {'key': 'replicaCount', 'type': 'int'},
+        'exclude_from_latest': {'key': 'excludeFromLatest', 'type': 'bool'},
+        'published_date': {'key': 'publishedDate', 'type': 'iso-8601'},
+        'end_of_life_date': {'key': 'endOfLifeDate', 'type': 'iso-8601'},
+        'storage_account_type': {'key': 'storageAccountType', 'type': 'str'},
+    }
+
+    def __init__(self, **kwargs):
+        super(GalleryArtifactPublishingProfileBase, self).__init__(**kwargs)
+        self.target_regions = kwargs.get('target_regions', None)
+        self.replica_count = kwargs.get('replica_count', None)
+        self.exclude_from_latest = kwargs.get('exclude_from_latest', None)
+        self.published_date = None
+        self.end_of_life_date = kwargs.get('end_of_life_date', None)
+        self.storage_account_type = kwargs.get('storage_account_type', None)
+
+
+class GalleryApplicationVersionPublishingProfile(GalleryArtifactPublishingProfileBase):
+    """The publishing profile of a gallery Image Version.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
     All required parameters must be populated in order to send to Azure.
 
     :param target_regions: The target regions where the Image Version is going
      to be replicated to. This property is updatable.
     :type target_regions:
      list[~azure.mgmt.compute.v2019_03_01.models.TargetRegion]
+    :param replica_count: The number of replicas of the Image Version to be
+     created per region. This property would take effect for a region when
+     regionalReplicaCount is not specified. This property is updatable.
+    :type replica_count: int
+    :param exclude_from_latest: If set to true, Virtual Machines deployed from
+     the latest version of the Image Definition won't use this Image Version.
+    :type exclude_from_latest: bool
+    :ivar published_date: The timestamp for when the gallery Image Version is
+     published.
+    :vartype published_date: datetime
+    :param end_of_life_date: The end of life date of the gallery Image
+     Version. This property can be used for decommissioning purposes. This
+     property is updatable.
+    :type end_of_life_date: datetime
+    :param storage_account_type: Specifies the storage account type to be used
+     to store the image. This property is not updatable. Possible values
+     include: 'Standard_LRS', 'Standard_ZRS'
+    :type storage_account_type: str or
+     ~azure.mgmt.compute.v2019_03_01.models.StorageAccountType
     :param source: Required.
-    :type source: ~azure.mgmt.compute.v2019_03_01.models.GalleryArtifactSource
+    :type source: ~azure.mgmt.compute.v2019_03_01.models.UserArtifactSource
+    :param content_type: Optional. May be used to help process this file. The
+     type of file contained in the source, e.g. zip, json, etc.
+    :type content_type: str
+    :param enable_health_check: Optional. Whether or not this application
+     reports health.
+    :type enable_health_check: bool
     """
 
     _validation = {
+        'published_date': {'readonly': True},
         'source': {'required': True},
     }
 
     _attribute_map = {
         'target_regions': {'key': 'targetRegions', 'type': '[TargetRegion]'},
-        'source': {'key': 'source', 'type': 'GalleryArtifactSource'},
+        'replica_count': {'key': 'replicaCount', 'type': 'int'},
+        'exclude_from_latest': {'key': 'excludeFromLatest', 'type': 'bool'},
+        'published_date': {'key': 'publishedDate', 'type': 'iso-8601'},
+        'end_of_life_date': {'key': 'endOfLifeDate', 'type': 'iso-8601'},
+        'storage_account_type': {'key': 'storageAccountType', 'type': 'str'},
+        'source': {'key': 'source', 'type': 'UserArtifactSource'},
+        'content_type': {'key': 'contentType', 'type': 'str'},
+        'enable_health_check': {'key': 'enableHealthCheck', 'type': 'bool'},
     }
 
     def __init__(self, **kwargs):
-        super(GalleryArtifactPublishingProfileBase, self).__init__(**kwargs)
-        self.target_regions = kwargs.get('target_regions', None)
+        super(GalleryApplicationVersionPublishingProfile, self).__init__(**kwargs)
         self.source = kwargs.get('source', None)
+        self.content_type = kwargs.get('content_type', None)
+        self.enable_health_check = kwargs.get('enable_health_check', None)
 
 
 class GalleryArtifactSource(Model):
@@ -1543,8 +1767,6 @@ class GalleryImageVersionPublishingProfile(GalleryArtifactPublishingProfileBase)
      to be replicated to. This property is updatable.
     :type target_regions:
      list[~azure.mgmt.compute.v2019_03_01.models.TargetRegion]
-    :param source: Required.
-    :type source: ~azure.mgmt.compute.v2019_03_01.models.GalleryArtifactSource
     :param replica_count: The number of replicas of the Image Version to be
      created per region. This property would take effect for a region when
      regionalReplicaCount is not specified. This property is updatable.
@@ -1564,30 +1786,28 @@ class GalleryImageVersionPublishingProfile(GalleryArtifactPublishingProfileBase)
      include: 'Standard_LRS', 'Standard_ZRS'
     :type storage_account_type: str or
      ~azure.mgmt.compute.v2019_03_01.models.StorageAccountType
+    :param source: Required.
+    :type source: ~azure.mgmt.compute.v2019_03_01.models.GalleryArtifactSource
     """
 
     _validation = {
-        'source': {'required': True},
         'published_date': {'readonly': True},
+        'source': {'required': True},
     }
 
     _attribute_map = {
         'target_regions': {'key': 'targetRegions', 'type': '[TargetRegion]'},
-        'source': {'key': 'source', 'type': 'GalleryArtifactSource'},
         'replica_count': {'key': 'replicaCount', 'type': 'int'},
         'exclude_from_latest': {'key': 'excludeFromLatest', 'type': 'bool'},
         'published_date': {'key': 'publishedDate', 'type': 'iso-8601'},
         'end_of_life_date': {'key': 'endOfLifeDate', 'type': 'iso-8601'},
         'storage_account_type': {'key': 'storageAccountType', 'type': 'str'},
+        'source': {'key': 'source', 'type': 'GalleryArtifactSource'},
     }
 
     def __init__(self, **kwargs):
         super(GalleryImageVersionPublishingProfile, self).__init__(**kwargs)
-        self.replica_count = kwargs.get('replica_count', None)
-        self.exclude_from_latest = kwargs.get('exclude_from_latest', None)
-        self.published_date = None
-        self.end_of_life_date = kwargs.get('end_of_life_date', None)
-        self.storage_account_type = kwargs.get('storage_account_type', None)
+        self.source = kwargs.get('source', None)
 
 
 class GalleryImageVersionStorageProfile(Model):
@@ -3855,6 +4075,34 @@ def __init__(self, **kwargs):
         self.localized_value = kwargs.get('localized_value', None)
 
 
+class UserArtifactSource(Model):
+    """The source image from which the Image Version is going to be created.
+
+    All required parameters must be populated in order to send to Azure.
+
+    :param file_name: Required. Required. The fileName of the artifact.
+    :type file_name: str
+    :param media_link: Required. Required. The mediaLink of the artifact, must
+     be a readable storage blob.
+    :type media_link: str
+    """
+
+    _validation = {
+        'file_name': {'required': True},
+        'media_link': {'required': True},
+    }
+
+    _attribute_map = {
+        'file_name': {'key': 'fileName', 'type': 'str'},
+        'media_link': {'key': 'mediaLink', 'type': 'str'},
+    }
+
+    def __init__(self, **kwargs):
+        super(UserArtifactSource, self).__init__(**kwargs)
+        self.file_name = kwargs.get('file_name', None)
+        self.media_link = kwargs.get('media_link', None)
+
+
 class VaultCertificate(Model):
     """Describes a single certificate reference in a Key Vault, and where the
     certificate should reside on the VM.
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models_py3.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models_py3.py
index ae0a36286ed9..75f0cf27ed2d 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models_py3.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_models_py3.py
@@ -1178,32 +1178,256 @@ def __init__(self, *, location: str, tags=None, description: str=None, identifie
         self.provisioning_state = None
 
 
+class GalleryApplication(Resource):
+    """Specifies information about the gallery Application Definition that you
+    want to create or update.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    All required parameters must be populated in order to send to Azure.
+
+    :ivar id: Resource Id
+    :vartype id: str
+    :ivar name: Resource name
+    :vartype name: str
+    :ivar type: Resource type
+    :vartype type: str
+    :param location: Required. Resource location
+    :type location: str
+    :param tags: Resource tags
+    :type tags: dict[str, str]
+    :param description: The description of this gallery Application Definition
+     resource. This property is updatable.
+    :type description: str
+    :param eula: The Eula agreement for the gallery Application Definition.
+    :type eula: str
+    :param privacy_statement_uri: The privacy statement uri.
+    :type privacy_statement_uri: str
+    :param release_note_uri: The release note uri.
+    :type release_note_uri: str
+    :param end_of_life_date: The end of life date of the gallery Application
+     Definition. This property can be used for decommissioning purposes. This
+     property is updatable.
+    :type end_of_life_date: datetime
+    :param supported_os_type: Required. This property allows you to specify
+     the supported type of the OS that application is built for. <br><br>
+     Possible values are: <br><br> **Windows** <br><br> **Linux**. Possible
+     values include: 'Windows', 'Linux'
+    :type supported_os_type: str or
+     ~azure.mgmt.compute.v2019_03_01.models.OperatingSystemTypes
+    """
+
+    _validation = {
+        'id': {'readonly': True},
+        'name': {'readonly': True},
+        'type': {'readonly': True},
+        'location': {'required': True},
+        'supported_os_type': {'required': True},
+    }
+
+    _attribute_map = {
+        'id': {'key': 'id', 'type': 'str'},
+        'name': {'key': 'name', 'type': 'str'},
+        'type': {'key': 'type', 'type': 'str'},
+        'location': {'key': 'location', 'type': 'str'},
+        'tags': {'key': 'tags', 'type': '{str}'},
+        'description': {'key': 'properties.description', 'type': 'str'},
+        'eula': {'key': 'properties.eula', 'type': 'str'},
+        'privacy_statement_uri': {'key': 'properties.privacyStatementUri', 'type': 'str'},
+        'release_note_uri': {'key': 'properties.releaseNoteUri', 'type': 'str'},
+        'end_of_life_date': {'key': 'properties.endOfLifeDate', 'type': 'iso-8601'},
+        'supported_os_type': {'key': 'properties.supportedOSType', 'type': 'OperatingSystemTypes'},
+    }
+
+    def __init__(self, *, location: str, supported_os_type, tags=None, description: str=None, eula: str=None, privacy_statement_uri: str=None, release_note_uri: str=None, end_of_life_date=None, **kwargs) -> None:
+        super(GalleryApplication, self).__init__(location=location, tags=tags, **kwargs)
+        self.description = description
+        self.eula = eula
+        self.privacy_statement_uri = privacy_statement_uri
+        self.release_note_uri = release_note_uri
+        self.end_of_life_date = end_of_life_date
+        self.supported_os_type = supported_os_type
+
+
+class GalleryApplicationVersion(Resource):
+    """Specifies information about the gallery Application Version that you want
+    to create or update.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    All required parameters must be populated in order to send to Azure.
+
+    :ivar id: Resource Id
+    :vartype id: str
+    :ivar name: Resource name
+    :vartype name: str
+    :ivar type: Resource type
+    :vartype type: str
+    :param location: Required. Resource location
+    :type location: str
+    :param tags: Resource tags
+    :type tags: dict[str, str]
+    :param publishing_profile: Required.
+    :type publishing_profile:
+     ~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersionPublishingProfile
+    :ivar provisioning_state: The current state of the gallery Application
+     Version. The provisioning state, which only appears in the response.
+     Possible values include: 'Creating', 'Updating', 'Failed', 'Succeeded',
+     'Deleting', 'Migrating'
+    :vartype provisioning_state: str or
+     ~azure.mgmt.compute.v2019_03_01.models.enum
+    :ivar replication_status:
+    :vartype replication_status:
+     ~azure.mgmt.compute.v2019_03_01.models.ReplicationStatus
+    """
+
+    _validation = {
+        'id': {'readonly': True},
+        'name': {'readonly': True},
+        'type': {'readonly': True},
+        'location': {'required': True},
+        'publishing_profile': {'required': True},
+        'provisioning_state': {'readonly': True},
+        'replication_status': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'id': {'key': 'id', 'type': 'str'},
+        'name': {'key': 'name', 'type': 'str'},
+        'type': {'key': 'type', 'type': 'str'},
+        'location': {'key': 'location', 'type': 'str'},
+        'tags': {'key': 'tags', 'type': '{str}'},
+        'publishing_profile': {'key': 'properties.publishingProfile', 'type': 'GalleryApplicationVersionPublishingProfile'},
+        'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'replication_status': {'key': 'properties.replicationStatus', 'type': 'ReplicationStatus'},
+    }
+
+    def __init__(self, *, location: str, publishing_profile, tags=None, **kwargs) -> None:
+        super(GalleryApplicationVersion, self).__init__(location=location, tags=tags, **kwargs)
+        self.publishing_profile = publishing_profile
+        self.provisioning_state = None
+        self.replication_status = None
+
+
 class GalleryArtifactPublishingProfileBase(Model):
     """Describes the basic gallery artifact publishing profile.
 
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    :param target_regions: The target regions where the Image Version is going
+     to be replicated to. This property is updatable.
+    :type target_regions:
+     list[~azure.mgmt.compute.v2019_03_01.models.TargetRegion]
+    :param replica_count: The number of replicas of the Image Version to be
+     created per region. This property would take effect for a region when
+     regionalReplicaCount is not specified. This property is updatable.
+    :type replica_count: int
+    :param exclude_from_latest: If set to true, Virtual Machines deployed from
+     the latest version of the Image Definition won't use this Image Version.
+    :type exclude_from_latest: bool
+    :ivar published_date: The timestamp for when the gallery Image Version is
+     published.
+    :vartype published_date: datetime
+    :param end_of_life_date: The end of life date of the gallery Image
+     Version. This property can be used for decommissioning purposes. This
+     property is updatable.
+    :type end_of_life_date: datetime
+    :param storage_account_type: Specifies the storage account type to be used
+     to store the image. This property is not updatable. Possible values
+     include: 'Standard_LRS', 'Standard_ZRS'
+    :type storage_account_type: str or
+     ~azure.mgmt.compute.v2019_03_01.models.StorageAccountType
+    """
+
+    _validation = {
+        'published_date': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'target_regions': {'key': 'targetRegions', 'type': '[TargetRegion]'},
+        'replica_count': {'key': 'replicaCount', 'type': 'int'},
+        'exclude_from_latest': {'key': 'excludeFromLatest', 'type': 'bool'},
+        'published_date': {'key': 'publishedDate', 'type': 'iso-8601'},
+        'end_of_life_date': {'key': 'endOfLifeDate', 'type': 'iso-8601'},
+        'storage_account_type': {'key': 'storageAccountType', 'type': 'str'},
+    }
+
+    def __init__(self, *, target_regions=None, replica_count: int=None, exclude_from_latest: bool=None, end_of_life_date=None, storage_account_type=None, **kwargs) -> None:
+        super(GalleryArtifactPublishingProfileBase, self).__init__(**kwargs)
+        self.target_regions = target_regions
+        self.replica_count = replica_count
+        self.exclude_from_latest = exclude_from_latest
+        self.published_date = None
+        self.end_of_life_date = end_of_life_date
+        self.storage_account_type = storage_account_type
+
+
+class GalleryApplicationVersionPublishingProfile(GalleryArtifactPublishingProfileBase):
+    """The publishing profile of a gallery Image Version.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
     All required parameters must be populated in order to send to Azure.
 
     :param target_regions: The target regions where the Image Version is going
      to be replicated to. This property is updatable.
     :type target_regions:
      list[~azure.mgmt.compute.v2019_03_01.models.TargetRegion]
+    :param replica_count: The number of replicas of the Image Version to be
+     created per region. This property would take effect for a region when
+     regionalReplicaCount is not specified. This property is updatable.
+    :type replica_count: int
+    :param exclude_from_latest: If set to true, Virtual Machines deployed from
+     the latest version of the Image Definition won't use this Image Version.
+    :type exclude_from_latest: bool
+    :ivar published_date: The timestamp for when the gallery Image Version is
+     published.
+    :vartype published_date: datetime
+    :param end_of_life_date: The end of life date of the gallery Image
+     Version. This property can be used for decommissioning purposes. This
+     property is updatable.
+    :type end_of_life_date: datetime
+    :param storage_account_type: Specifies the storage account type to be used
+     to store the image. This property is not updatable. Possible values
+     include: 'Standard_LRS', 'Standard_ZRS'
+    :type storage_account_type: str or
+     ~azure.mgmt.compute.v2019_03_01.models.StorageAccountType
     :param source: Required.
-    :type source: ~azure.mgmt.compute.v2019_03_01.models.GalleryArtifactSource
+    :type source: ~azure.mgmt.compute.v2019_03_01.models.UserArtifactSource
+    :param content_type: Optional. May be used to help process this file. The
+     type of file contained in the source, e.g. zip, json, etc.
+    :type content_type: str
+    :param enable_health_check: Optional. Whether or not this application
+     reports health.
+    :type enable_health_check: bool
     """
 
     _validation = {
+        'published_date': {'readonly': True},
         'source': {'required': True},
     }
 
     _attribute_map = {
         'target_regions': {'key': 'targetRegions', 'type': '[TargetRegion]'},
-        'source': {'key': 'source', 'type': 'GalleryArtifactSource'},
+        'replica_count': {'key': 'replicaCount', 'type': 'int'},
+        'exclude_from_latest': {'key': 'excludeFromLatest', 'type': 'bool'},
+        'published_date': {'key': 'publishedDate', 'type': 'iso-8601'},
+        'end_of_life_date': {'key': 'endOfLifeDate', 'type': 'iso-8601'},
+        'storage_account_type': {'key': 'storageAccountType', 'type': 'str'},
+        'source': {'key': 'source', 'type': 'UserArtifactSource'},
+        'content_type': {'key': 'contentType', 'type': 'str'},
+        'enable_health_check': {'key': 'enableHealthCheck', 'type': 'bool'},
     }
 
-    def __init__(self, *, source, target_regions=None, **kwargs) -> None:
-        super(GalleryArtifactPublishingProfileBase, self).__init__(**kwargs)
-        self.target_regions = target_regions
+    def __init__(self, *, source, target_regions=None, replica_count: int=None, exclude_from_latest: bool=None, end_of_life_date=None, storage_account_type=None, content_type: str=None, enable_health_check: bool=None, **kwargs) -> None:
+        super(GalleryApplicationVersionPublishingProfile, self).__init__(target_regions=target_regions, replica_count=replica_count, exclude_from_latest=exclude_from_latest, end_of_life_date=end_of_life_date, storage_account_type=storage_account_type, **kwargs)
         self.source = source
+        self.content_type = content_type
+        self.enable_health_check = enable_health_check
 
 
 class GalleryArtifactSource(Model):
@@ -1543,8 +1767,6 @@ class GalleryImageVersionPublishingProfile(GalleryArtifactPublishingProfileBase)
      to be replicated to. This property is updatable.
     :type target_regions:
      list[~azure.mgmt.compute.v2019_03_01.models.TargetRegion]
-    :param source: Required.
-    :type source: ~azure.mgmt.compute.v2019_03_01.models.GalleryArtifactSource
     :param replica_count: The number of replicas of the Image Version to be
      created per region. This property would take effect for a region when
      regionalReplicaCount is not specified. This property is updatable.
@@ -1564,30 +1786,28 @@ class GalleryImageVersionPublishingProfile(GalleryArtifactPublishingProfileBase)
      include: 'Standard_LRS', 'Standard_ZRS'
     :type storage_account_type: str or
      ~azure.mgmt.compute.v2019_03_01.models.StorageAccountType
+    :param source: Required.
+    :type source: ~azure.mgmt.compute.v2019_03_01.models.GalleryArtifactSource
     """
 
     _validation = {
-        'source': {'required': True},
         'published_date': {'readonly': True},
+        'source': {'required': True},
     }
 
     _attribute_map = {
         'target_regions': {'key': 'targetRegions', 'type': '[TargetRegion]'},
-        'source': {'key': 'source', 'type': 'GalleryArtifactSource'},
         'replica_count': {'key': 'replicaCount', 'type': 'int'},
         'exclude_from_latest': {'key': 'excludeFromLatest', 'type': 'bool'},
         'published_date': {'key': 'publishedDate', 'type': 'iso-8601'},
         'end_of_life_date': {'key': 'endOfLifeDate', 'type': 'iso-8601'},
         'storage_account_type': {'key': 'storageAccountType', 'type': 'str'},
+        'source': {'key': 'source', 'type': 'GalleryArtifactSource'},
     }
 
     def __init__(self, *, source, target_regions=None, replica_count: int=None, exclude_from_latest: bool=None, end_of_life_date=None, storage_account_type=None, **kwargs) -> None:
-        super(GalleryImageVersionPublishingProfile, self).__init__(target_regions=target_regions, source=source, **kwargs)
-        self.replica_count = replica_count
-        self.exclude_from_latest = exclude_from_latest
-        self.published_date = None
-        self.end_of_life_date = end_of_life_date
-        self.storage_account_type = storage_account_type
+        super(GalleryImageVersionPublishingProfile, self).__init__(target_regions=target_regions, replica_count=replica_count, exclude_from_latest=exclude_from_latest, end_of_life_date=end_of_life_date, storage_account_type=storage_account_type, **kwargs)
+        self.source = source
 
 
 class GalleryImageVersionStorageProfile(Model):
@@ -3855,6 +4075,34 @@ def __init__(self, *, value: str=None, localized_value: str=None, **kwargs) -> N
         self.localized_value = localized_value
 
 
+class UserArtifactSource(Model):
+    """The source image from which the Image Version is going to be created.
+
+    All required parameters must be populated in order to send to Azure.
+
+    :param file_name: Required. Required. The fileName of the artifact.
+    :type file_name: str
+    :param media_link: Required. Required. The mediaLink of the artifact, must
+     be a readable storage blob.
+    :type media_link: str
+    """
+
+    _validation = {
+        'file_name': {'required': True},
+        'media_link': {'required': True},
+    }
+
+    _attribute_map = {
+        'file_name': {'key': 'fileName', 'type': 'str'},
+        'media_link': {'key': 'mediaLink', 'type': 'str'},
+    }
+
+    def __init__(self, *, file_name: str, media_link: str, **kwargs) -> None:
+        super(UserArtifactSource, self).__init__(**kwargs)
+        self.file_name = file_name
+        self.media_link = media_link
+
+
 class VaultCertificate(Model):
     """Describes a single certificate reference in a Key Vault, and where the
     certificate should reside on the VM.
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_paged_models.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_paged_models.py
index d271039fee93..b02dee87e189 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_paged_models.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/models/_paged_models.py
@@ -246,3 +246,29 @@ class GalleryImageVersionPaged(Paged):
     def __init__(self, *args, **kwargs):
 
         super(GalleryImageVersionPaged, self).__init__(*args, **kwargs)
+class GalleryApplicationPaged(Paged):
+    """
+    A paging container for iterating over a list of :class:`GalleryApplication <azure.mgmt.compute.v2019_03_01.models.GalleryApplication>` object
+    """
+
+    _attribute_map = {
+        'next_link': {'key': 'nextLink', 'type': 'str'},
+        'current_page': {'key': 'value', 'type': '[GalleryApplication]'}
+    }
+
+    def __init__(self, *args, **kwargs):
+
+        super(GalleryApplicationPaged, self).__init__(*args, **kwargs)
+class GalleryApplicationVersionPaged(Paged):
+    """
+    A paging container for iterating over a list of :class:`GalleryApplicationVersion <azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersion>` object
+    """
+
+    _attribute_map = {
+        'next_link': {'key': 'nextLink', 'type': 'str'},
+        'current_page': {'key': 'value', 'type': '[GalleryApplicationVersion]'}
+    }
+
+    def __init__(self, *args, **kwargs):
+
+        super(GalleryApplicationVersionPaged, self).__init__(*args, **kwargs)
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/__init__.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/__init__.py
index bf3e9ddb67f9..11fed6cb8382 100644
--- a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/__init__.py
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/__init__.py
@@ -30,6 +30,8 @@
 from ._galleries_operations import GalleriesOperations
 from ._gallery_images_operations import GalleryImagesOperations
 from ._gallery_image_versions_operations import GalleryImageVersionsOperations
+from ._gallery_applications_operations import GalleryApplicationsOperations
+from ._gallery_application_versions_operations import GalleryApplicationVersionsOperations
 
 __all__ = [
     'Operations',
@@ -53,4 +55,6 @@
     'GalleriesOperations',
     'GalleryImagesOperations',
     'GalleryImageVersionsOperations',
+    'GalleryApplicationsOperations',
+    'GalleryApplicationVersionsOperations',
 ]
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/_gallery_application_versions_operations.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/_gallery_application_versions_operations.py
new file mode 100644
index 000000000000..ec615df20fb8
--- /dev/null
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/_gallery_application_versions_operations.py
@@ -0,0 +1,408 @@
+# coding=utf-8
+# --------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+#
+# Code generated by Microsoft (R) AutoRest Code Generator.
+# Changes may cause incorrect behavior and will be lost if the code is
+# regenerated.
+# --------------------------------------------------------------------------
+
+import uuid
+from msrest.pipeline import ClientRawResponse
+from msrestazure.azure_exceptions import CloudError
+from msrest.polling import LROPoller, NoPolling
+from msrestazure.polling.arm_polling import ARMPolling
+
+from .. import models
+
+
+class GalleryApplicationVersionsOperations(object):
+    """GalleryApplicationVersionsOperations operations.
+
+    You should not instantiate directly this class, but create a Client instance that will create it for you and attach it as attribute.
+
+    :param client: Client for service requests.
+    :param config: Configuration of service client.
+    :param serializer: An object model serializer.
+    :param deserializer: An object model deserializer.
+    :ivar api_version: Client Api Version. Constant value: "2019-03-01".
+    """
+
+    models = models
+
+    def __init__(self, client, config, serializer, deserializer):
+
+        self._client = client
+        self._serialize = serializer
+        self._deserialize = deserializer
+        self.api_version = "2019-03-01"
+
+        self.config = config
+
+
+    def _create_or_update_initial(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application_version_name, gallery_application_version, custom_headers=None, raw=False, **operation_config):
+        # Construct URL
+        url = self.create_or_update.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+            'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str'),
+            'galleryApplicationVersionName': self._serialize.url("gallery_application_version_name", gallery_application_version_name, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        header_parameters['Accept'] = 'application/json'
+        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct body
+        body_content = self._serialize.body(gallery_application_version, 'GalleryApplicationVersion')
+
+        # Construct and send request
+        request = self._client.put(url, query_parameters, header_parameters, body_content)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200, 201, 202]:
+            exp = CloudError(response)
+            exp.request_id = response.headers.get('x-ms-request-id')
+            raise exp
+
+        deserialized = None
+
+        if response.status_code == 200:
+            deserialized = self._deserialize('GalleryApplicationVersion', response)
+        if response.status_code == 201:
+            deserialized = self._deserialize('GalleryApplicationVersion', response)
+        if response.status_code == 202:
+            deserialized = self._deserialize('GalleryApplicationVersion', response)
+
+        if raw:
+            client_raw_response = ClientRawResponse(deserialized, response)
+            return client_raw_response
+
+        return deserialized
+
+    def create_or_update(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application_version_name, gallery_application_version, custom_headers=None, raw=False, polling=True, **operation_config):
+        """Create or update a gallery Application Version.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery in
+         which the Application Definition resides.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the gallery Application
+         Definition in which the Application Version is to be created.
+        :type gallery_application_name: str
+        :param gallery_application_version_name: The name of the gallery
+         Application Version to be created. Needs to follow semantic version
+         name pattern: The allowed characters are digit and period. Digits must
+         be within the range of a 32-bit integer. Format:
+         <MajorVersion>.<MinorVersion>.<Patch>
+        :type gallery_application_version_name: str
+        :param gallery_application_version: Parameters supplied to the create
+         or update gallery Application Version operation.
+        :type gallery_application_version:
+         ~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersion
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: The poller return type is ClientRawResponse, the
+         direct response alongside the deserialized response
+        :param polling: True for ARMPolling, False for no polling, or a
+         polling object for personal polling strategy
+        :return: An instance of LROPoller that returns
+         GalleryApplicationVersion or
+         ClientRawResponse<GalleryApplicationVersion> if raw==True
+        :rtype:
+         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersion]
+         or
+         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersion]]
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        raw_result = self._create_or_update_initial(
+            resource_group_name=resource_group_name,
+            gallery_name=gallery_name,
+            gallery_application_name=gallery_application_name,
+            gallery_application_version_name=gallery_application_version_name,
+            gallery_application_version=gallery_application_version,
+            custom_headers=custom_headers,
+            raw=True,
+            **operation_config
+        )
+
+        def get_long_running_output(response):
+            deserialized = self._deserialize('GalleryApplicationVersion', response)
+
+            if raw:
+                client_raw_response = ClientRawResponse(deserialized, response)
+                return client_raw_response
+
+            return deserialized
+
+        lro_delay = operation_config.get(
+            'long_running_operation_timeout',
+            self.config.long_running_operation_timeout)
+        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
+        elif polling is False: polling_method = NoPolling()
+        else: polling_method = polling
+        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
+    create_or_update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}/versions/{galleryApplicationVersionName}'}
+
+    def get(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application_version_name, expand=None, custom_headers=None, raw=False, **operation_config):
+        """Retrieves information about a gallery Application Version.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery in
+         which the Application Definition resides.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the gallery Application
+         Definition in which the Application Version resides.
+        :type gallery_application_name: str
+        :param gallery_application_version_name: The name of the gallery
+         Application Version to be retrieved.
+        :type gallery_application_version_name: str
+        :param expand: The expand expression to apply on the operation.
+         Possible values include: 'ReplicationStatus'
+        :type expand: str or
+         ~azure.mgmt.compute.v2019_03_01.models.ReplicationStatusTypes
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: returns the direct response alongside the
+         deserialized response
+        :param operation_config: :ref:`Operation configuration
+         overrides<msrest:optionsforoperations>`.
+        :return: GalleryApplicationVersion or ClientRawResponse if raw=true
+        :rtype:
+         ~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersion or
+         ~msrest.pipeline.ClientRawResponse
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        # Construct URL
+        url = self.get.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+            'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str'),
+            'galleryApplicationVersionName': self._serialize.url("gallery_application_version_name", gallery_application_version_name, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        if expand is not None:
+            query_parameters['$expand'] = self._serialize.query("expand", expand, 'str')
+        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        header_parameters['Accept'] = 'application/json'
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct and send request
+        request = self._client.get(url, query_parameters, header_parameters)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200]:
+            exp = CloudError(response)
+            exp.request_id = response.headers.get('x-ms-request-id')
+            raise exp
+
+        deserialized = None
+        if response.status_code == 200:
+            deserialized = self._deserialize('GalleryApplicationVersion', response)
+
+        if raw:
+            client_raw_response = ClientRawResponse(deserialized, response)
+            return client_raw_response
+
+        return deserialized
+    get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}/versions/{galleryApplicationVersionName}'}
+
+
+    def _delete_initial(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application_version_name, custom_headers=None, raw=False, **operation_config):
+        # Construct URL
+        url = self.delete.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+            'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str'),
+            'galleryApplicationVersionName': self._serialize.url("gallery_application_version_name", gallery_application_version_name, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct and send request
+        request = self._client.delete(url, query_parameters, header_parameters)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200, 202, 204]:
+            exp = CloudError(response)
+            exp.request_id = response.headers.get('x-ms-request-id')
+            raise exp
+
+        if raw:
+            client_raw_response = ClientRawResponse(None, response)
+            return client_raw_response
+
+    def delete(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application_version_name, custom_headers=None, raw=False, polling=True, **operation_config):
+        """Delete a gallery Application Version.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery in
+         which the Application Definition resides.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the gallery Application
+         Definition in which the Application Version resides.
+        :type gallery_application_name: str
+        :param gallery_application_version_name: The name of the gallery
+         Application Version to be deleted.
+        :type gallery_application_version_name: str
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: The poller return type is ClientRawResponse, the
+         direct response alongside the deserialized response
+        :param polling: True for ARMPolling, False for no polling, or a
+         polling object for personal polling strategy
+        :return: An instance of LROPoller that returns None or
+         ClientRawResponse<None> if raw==True
+        :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
+         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        raw_result = self._delete_initial(
+            resource_group_name=resource_group_name,
+            gallery_name=gallery_name,
+            gallery_application_name=gallery_application_name,
+            gallery_application_version_name=gallery_application_version_name,
+            custom_headers=custom_headers,
+            raw=True,
+            **operation_config
+        )
+
+        def get_long_running_output(response):
+            if raw:
+                client_raw_response = ClientRawResponse(None, response)
+                return client_raw_response
+
+        lro_delay = operation_config.get(
+            'long_running_operation_timeout',
+            self.config.long_running_operation_timeout)
+        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
+        elif polling is False: polling_method = NoPolling()
+        else: polling_method = polling
+        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
+    delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}/versions/{galleryApplicationVersionName}'}
+
+    def list_by_gallery_application(
+            self, resource_group_name, gallery_name, gallery_application_name, custom_headers=None, raw=False, **operation_config):
+        """List gallery Application Versions in a gallery Application Definition.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery in
+         which the Application Definition resides.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the Shared Application
+         Gallery Application Definition from which the Application Versions are
+         to be listed.
+        :type gallery_application_name: str
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: returns the direct response alongside the
+         deserialized response
+        :param operation_config: :ref:`Operation configuration
+         overrides<msrest:optionsforoperations>`.
+        :return: An iterator like instance of GalleryApplicationVersion
+        :rtype:
+         ~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersionPaged[~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationVersion]
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        def prepare_request(next_link=None):
+            if not next_link:
+                # Construct URL
+                url = self.list_by_gallery_application.metadata['url']
+                path_format_arguments = {
+                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+                    'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+                    'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str')
+                }
+                url = self._client.format_url(url, **path_format_arguments)
+
+                # Construct parameters
+                query_parameters = {}
+                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+            else:
+                url = next_link
+                query_parameters = {}
+
+            # Construct headers
+            header_parameters = {}
+            header_parameters['Accept'] = 'application/json'
+            if self.config.generate_client_request_id:
+                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+            if custom_headers:
+                header_parameters.update(custom_headers)
+            if self.config.accept_language is not None:
+                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+            # Construct and send request
+            request = self._client.get(url, query_parameters, header_parameters)
+            return request
+
+        def internal_paging(next_link=None):
+            request = prepare_request(next_link)
+
+            response = self._client.send(request, stream=False, **operation_config)
+
+            if response.status_code not in [200]:
+                exp = CloudError(response)
+                exp.request_id = response.headers.get('x-ms-request-id')
+                raise exp
+
+            return response
+
+        # Deserialize response
+        header_dict = None
+        if raw:
+            header_dict = {}
+        deserialized = models.GalleryApplicationVersionPaged(internal_paging, self._deserialize.dependencies, header_dict)
+
+        return deserialized
+    list_by_gallery_application.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}/versions'}
diff --git a/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/_gallery_applications_operations.py b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/_gallery_applications_operations.py
new file mode 100644
index 000000000000..c161ea1bc997
--- /dev/null
+++ b/sdk/compute/azure-mgmt-compute/azure/mgmt/compute/v2019_03_01/operations/_gallery_applications_operations.py
@@ -0,0 +1,380 @@
+# coding=utf-8
+# --------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+#
+# Code generated by Microsoft (R) AutoRest Code Generator.
+# Changes may cause incorrect behavior and will be lost if the code is
+# regenerated.
+# --------------------------------------------------------------------------
+
+import uuid
+from msrest.pipeline import ClientRawResponse
+from msrestazure.azure_exceptions import CloudError
+from msrest.polling import LROPoller, NoPolling
+from msrestazure.polling.arm_polling import ARMPolling
+
+from .. import models
+
+
+class GalleryApplicationsOperations(object):
+    """GalleryApplicationsOperations operations.
+
+    You should not instantiate directly this class, but create a Client instance that will create it for you and attach it as attribute.
+
+    :param client: Client for service requests.
+    :param config: Configuration of service client.
+    :param serializer: An object model serializer.
+    :param deserializer: An object model deserializer.
+    :ivar api_version: Client Api Version. Constant value: "2019-03-01".
+    """
+
+    models = models
+
+    def __init__(self, client, config, serializer, deserializer):
+
+        self._client = client
+        self._serialize = serializer
+        self._deserialize = deserializer
+        self.api_version = "2019-03-01"
+
+        self.config = config
+
+
+    def _create_or_update_initial(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application, custom_headers=None, raw=False, **operation_config):
+        # Construct URL
+        url = self.create_or_update.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+            'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        header_parameters['Accept'] = 'application/json'
+        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct body
+        body_content = self._serialize.body(gallery_application, 'GalleryApplication')
+
+        # Construct and send request
+        request = self._client.put(url, query_parameters, header_parameters, body_content)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200, 201, 202]:
+            exp = CloudError(response)
+            exp.request_id = response.headers.get('x-ms-request-id')
+            raise exp
+
+        deserialized = None
+
+        if response.status_code == 200:
+            deserialized = self._deserialize('GalleryApplication', response)
+        if response.status_code == 201:
+            deserialized = self._deserialize('GalleryApplication', response)
+        if response.status_code == 202:
+            deserialized = self._deserialize('GalleryApplication', response)
+
+        if raw:
+            client_raw_response = ClientRawResponse(deserialized, response)
+            return client_raw_response
+
+        return deserialized
+
+    def create_or_update(
+            self, resource_group_name, gallery_name, gallery_application_name, gallery_application, custom_headers=None, raw=False, polling=True, **operation_config):
+        """Create or update a gallery Application Definition.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery in
+         which the Application Definition is to be created.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the gallery Application
+         Definition to be created or updated. The allowed characters are
+         alphabets and numbers with dots, dashes, and periods allowed in the
+         middle. The maximum length is 80 characters.
+        :type gallery_application_name: str
+        :param gallery_application: Parameters supplied to the create or
+         update gallery Application operation.
+        :type gallery_application:
+         ~azure.mgmt.compute.v2019_03_01.models.GalleryApplication
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: The poller return type is ClientRawResponse, the
+         direct response alongside the deserialized response
+        :param polling: True for ARMPolling, False for no polling, or a
+         polling object for personal polling strategy
+        :return: An instance of LROPoller that returns GalleryApplication or
+         ClientRawResponse<GalleryApplication> if raw==True
+        :rtype:
+         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.compute.v2019_03_01.models.GalleryApplication]
+         or
+         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.compute.v2019_03_01.models.GalleryApplication]]
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        raw_result = self._create_or_update_initial(
+            resource_group_name=resource_group_name,
+            gallery_name=gallery_name,
+            gallery_application_name=gallery_application_name,
+            gallery_application=gallery_application,
+            custom_headers=custom_headers,
+            raw=True,
+            **operation_config
+        )
+
+        def get_long_running_output(response):
+            deserialized = self._deserialize('GalleryApplication', response)
+
+            if raw:
+                client_raw_response = ClientRawResponse(deserialized, response)
+                return client_raw_response
+
+            return deserialized
+
+        lro_delay = operation_config.get(
+            'long_running_operation_timeout',
+            self.config.long_running_operation_timeout)
+        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
+        elif polling is False: polling_method = NoPolling()
+        else: polling_method = polling
+        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
+    create_or_update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}'}
+
+    def get(
+            self, resource_group_name, gallery_name, gallery_application_name, custom_headers=None, raw=False, **operation_config):
+        """Retrieves information about a gallery Application Definition.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery from
+         which the Application Definitions are to be retrieved.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the gallery Application
+         Definition to be retrieved.
+        :type gallery_application_name: str
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: returns the direct response alongside the
+         deserialized response
+        :param operation_config: :ref:`Operation configuration
+         overrides<msrest:optionsforoperations>`.
+        :return: GalleryApplication or ClientRawResponse if raw=true
+        :rtype: ~azure.mgmt.compute.v2019_03_01.models.GalleryApplication or
+         ~msrest.pipeline.ClientRawResponse
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        # Construct URL
+        url = self.get.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+            'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        header_parameters['Accept'] = 'application/json'
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct and send request
+        request = self._client.get(url, query_parameters, header_parameters)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200]:
+            exp = CloudError(response)
+            exp.request_id = response.headers.get('x-ms-request-id')
+            raise exp
+
+        deserialized = None
+        if response.status_code == 200:
+            deserialized = self._deserialize('GalleryApplication', response)
+
+        if raw:
+            client_raw_response = ClientRawResponse(deserialized, response)
+            return client_raw_response
+
+        return deserialized
+    get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}'}
+
+
+    def _delete_initial(
+            self, resource_group_name, gallery_name, gallery_application_name, custom_headers=None, raw=False, **operation_config):
+        # Construct URL
+        url = self.delete.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'galleryName': self._serialize.url("gallery_name", gallery_name, 'str'),
+            'galleryApplicationName': self._serialize.url("gallery_application_name", gallery_application_name, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct and send request
+        request = self._client.delete(url, query_parameters, header_parameters)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200, 202, 204]:
+            exp = CloudError(response)
+            exp.request_id = response.headers.get('x-ms-request-id')
+            raise exp
+
+        if raw:
+            client_raw_response = ClientRawResponse(None, response)
+            return client_raw_response
+
+    def delete(
+            self, resource_group_name, gallery_name, gallery_application_name, custom_headers=None, raw=False, polling=True, **operation_config):
+        """Delete a gallery Application.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery in
+         which the Application Definition is to be deleted.
+        :type gallery_name: str
+        :param gallery_application_name: The name of the gallery Application
+         Definition to be deleted.
+        :type gallery_application_name: str
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: The poller return type is ClientRawResponse, the
+         direct response alongside the deserialized response
+        :param polling: True for ARMPolling, False for no polling, or a
+         polling object for personal polling strategy
+        :return: An instance of LROPoller that returns None or
+         ClientRawResponse<None> if raw==True
+        :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
+         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        raw_result = self._delete_initial(
+            resource_group_name=resource_group_name,
+            gallery_name=gallery_name,
+            gallery_application_name=gallery_application_name,
+            custom_headers=custom_headers,
+            raw=True,
+            **operation_config
+        )
+
+        def get_long_running_output(response):
+            if raw:
+                client_raw_response = ClientRawResponse(None, response)
+                return client_raw_response
+
+        lro_delay = operation_config.get(
+            'long_running_operation_timeout',
+            self.config.long_running_operation_timeout)
+        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
+        elif polling is False: polling_method = NoPolling()
+        else: polling_method = polling
+        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
+    delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications/{galleryApplicationName}'}
+
+    def list_by_gallery(
+            self, resource_group_name, gallery_name, custom_headers=None, raw=False, **operation_config):
+        """List gallery Application Definitions in a gallery.
+
+        :param resource_group_name: The name of the resource group.
+        :type resource_group_name: str
+        :param gallery_name: The name of the Shared Application Gallery from
+         which Application Definitions are to be listed.
+        :type gallery_name: str
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: returns the direct response alongside the
+         deserialized response
+        :param operation_config: :ref:`Operation configuration
+         overrides<msrest:optionsforoperations>`.
+        :return: An iterator like instance of GalleryApplication
+        :rtype:
+         ~azure.mgmt.compute.v2019_03_01.models.GalleryApplicationPaged[~azure.mgmt.compute.v2019_03_01.models.GalleryApplication]
+        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
+        """
+        def prepare_request(next_link=None):
+            if not next_link:
+                # Construct URL
+                url = self.list_by_gallery.metadata['url']
+                path_format_arguments = {
+                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
+                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+                    'galleryName': self._serialize.url("gallery_name", gallery_name, 'str')
+                }
+                url = self._client.format_url(url, **path_format_arguments)
+
+                # Construct parameters
+                query_parameters = {}
+                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
+
+            else:
+                url = next_link
+                query_parameters = {}
+
+            # Construct headers
+            header_parameters = {}
+            header_parameters['Accept'] = 'application/json'
+            if self.config.generate_client_request_id:
+                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+            if custom_headers:
+                header_parameters.update(custom_headers)
+            if self.config.accept_language is not None:
+                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+            # Construct and send request
+            request = self._client.get(url, query_parameters, header_parameters)
+            return request
+
+        def internal_paging(next_link=None):
+            request = prepare_request(next_link)
+
+            response = self._client.send(request, stream=False, **operation_config)
+
+            if response.status_code not in [200]:
+                exp = CloudError(response)
+                exp.request_id = response.headers.get('x-ms-request-id')
+                raise exp
+
+            return response
+
+        # Deserialize response
+        header_dict = None
+        if raw:
+            header_dict = {}
+        deserialized = models.GalleryApplicationPaged(internal_paging, self._deserialize.dependencies, header_dict)
+
+        return deserialized
+    list_by_gallery.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/galleries/{galleryName}/applications'}